longhole blasting 中文意思是什麼
-
Shaft sinking by longhole blasting in complicated rock mass
復雜巖體內的深孔爆破成井 -
Study on large - diameter longhole blasting of underground mining
地下采礦大直徑深孔爆破研究 -
Exploration and application of stope leaching uranium after longhole blasting in ganzhou uranium mine
深孔爆破原地破碎浸出采鈾在贛州鈾礦的應用及探討 -
Longwall and longhole blasting coal mining method for difficult mining seam
難採煤層巷道長壁長孔爆破採煤方法簡介 -
Construction technology for completion of coal chute in a single stage by longhole blasting
溜煤眼深孔爆破一次成井施工技術 -
Application of longhole shock blasting technique in 5413 s gate construction
順槽施工中的應用
分享友人